Window alarm



FIG. 1 is a perspective view of a window alarm illustrating my newdesign;

FIG. 2 is a front elevational view thereof on an enlarged scale;

FIG. 3 is a left side elevational view thereof on an enlarged scale;

FIG. 4 is a top plan view thereof on an enlarged scale; _

and,

FIG. 5 is a bottom plan view thereof on an enlarged scale.

The ornamental design for a window alarm, substantially as shown anddescribed.